ISHS Acta Horticulturae 502: II WOCMAP Congress Medicinal and Aromatic Plants, Part 3: Agricultural Production, Post Harvest Techniques, Biotechnology
VARIABILITY IN HYPERICUM PERFORATUM L. BREEDING LINES |
| Authors: | R. Franke, R. Schenk, U. Bauermann |
| Keywords: | Hypericum perforatum, breeding, characters, wilt, drying |
| DOI: | 10.17660/ActaHortic.1999.502.26 |
| Abstract:
As active principles various substances are discussed. For breeding it is significant to find genotypes having a high content of the different potential active principles or a high total content supposing that in such a case also the potential active principles show a higher content. When analyzing 153 origins and breeding lines a very high variability of the active principles within Hypericum perforatum L. was ascertained. With regard to the flavonglycosides two very distinct types can appear: 1. forms with a high content of rutine and hyperoside, 2. forms with a very low content of rutine, but with a high content of hyperoside and isoquercitrine. The latter forms are mostly linked with a high or even a very high content of total hypericines (up to four times higher than "normal" breeding lines). There are breeding lines available having a high content of rutine, flavonglycosides, amenthoflavones, hypericine, total hypericines and/or free amino acids such as for example | |
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b utyric acid (Gaba).
